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> I want to change default behaviour of spam_quarantine_to from policy sql
> field now it points to local_delivery_aliases -> spam-quarantine
> defined as QUARANTINE + VIRUSFILE
>
> how to make spam_quarantine_to be real system path per user ??
> for example: /var/spool/mail/id_domain/id_user
> where id_domain and id_user - sql fields in users policy table
You will have to provide (or modify) the entry in %local_delivery_aliases
as you correctly concluded. All the required information about
sender and recipients etc is hanging off the $MSGINFO object.
Don't forget there may be more than one recipient in a message.
Make sure the sender-specified funny characters in a recipient address
do not escape to the file system, just in case if it would happen
that MTA would fail to reject mail for nonexistent user.
> is it possible to use cached sql fields values in subroutine in
> local_delivery_aliases -> spam-quarantine ??
> for example:
> 'spam-quarantine' => sub { (! cached value of sql lookup! , $VIRUSFILE)},
Yes, just call lookup() on whatever you are interested in,
it will use a cached field for a SQL query, if the record
had already been queried before during processing of this message.
Since you are thinking of per-user quarantine (and recipients are
not supposed to have direct access to the quarantine to protect the
sender privacy), a much cleaner approach is to deliver spam, but
redirect it to a separate folder, either a subfolder in user's mailbox,
or perhaps a centralized mailbox/mailboxes. The technique is to enable
adding address extension (e.g. +spam) in amavisd, and configure MTA to
reroute/deliver such mail somewhere else (using virtual or alias mappings).
Mark
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